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Writer's pictureJoss JP Services

How to Stop Algae from Regrowing on Your Patio: A Comprehensive Guide

Your patio should be a space to enjoy, but when algae start growing, it can quickly become unsightly and slippery. If you’ve already dealt with algae, you're probably wondering how to stop it from coming back. At JPServices, we’ve got practical tips to help you keep your patio algae-free for the long term!


1. Clean Regularly

Algae thrive in moist, shady areas, so regular cleaning is crucial. Start by sweeping away any leaves, dirt, or debris from your patio. These materials can trap moisture, creating the perfect environment for algae to grow. Follow up with a pressure wash to thoroughly clean the surface. Keeping up with regular cleaning will help you stay ahead of the problem.


2. Improve Drainage

Standing water encourages algae growth, so it's important to make sure your patio drains properly. Look for areas where water tends to collect and address them by leveling uneven spots or installing better drainage. A drier patio will naturally be less prone to algae.


3. Let in More Sunlight

Since algae love damp, shady spots, increasing sunlight exposure can make a big difference. If trees or plants around your patio are blocking the sun, try trimming them back. More sunlight means a drier patio, which helps prevent algae from growing.


4. Use an Algaecide or Biocide

For stubborn algae problems, using an algaecide or biocide can be very effective. These solutions kill algae and prevent it from growing back. Be sure to follow the instructions carefully, and apply the product after you’ve cleaned the patio for the best results.


5. Maintain the Surrounding Areas

Algae can spread from nearby areas like garden beds, pathways, or walls. Keeping these spots tidy and well-maintained is just as important as cleaning your patio. Trim plants, remove any algae from nearby surfaces, and address damp areas to prevent algae from making its way onto your patio.


6. Seal Your Patio

Applying a sealant to your patio can help prevent moisture from seeping into the surface, making it harder for algae to take hold. Sealing creates a protective layer that keeps water out, which is one of the key factors in algae growth. Be sure to use a sealant that’s designed for your patio material, whether it’s stone, brick, or concrete.




If you have a garden or lawn nearby, be mindful of fertilizer runoff onto your patio. Algae feed on nutrients, and fertilizer provides plenty of what they need to grow. When fertilizing, be careful to keep it away from your patio and clean up any spills to avoid boosting algae growth.

Conclusion


By following these steps, you can stop algae from returning to your patio and keep it looking clean and inviting. Regular cleaning, proper drainage, and applying biocides are all key to preventing algae regrowth and ensuring your patio stays in top shape.


At JPServices, we use professional-grade biocides like BAC50 to effectively remove algae and protect your patio from future growth. Contact us today to find out how we can help keep your outdoor space algae-free year-round!

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